1. a marine animal with a cup-shaped body and feathery arms, related to starfish and sea urchins
Usage: zoology

1. relating to or resembling a crinoid
Usage: zoology

Examples

• The paleontologist discovered fossilized crinoid stems in the limestone.
• Crinoids were abundant in ancient seas millions of years ago.
• The museum’s exhibit featured several well-preserved crinoid specimens.
• Modern crinoids can still be found in deep ocean waters.
• The crinoid fossil showed the characteristic segmented stem.
• Scientists study crinoid anatomy to understand echinoderm evolution.